Finding the Fourth Proportional to 8,942,390,410.40, 12,340,139,479.88 and 4,873,205,707.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,942,390,410.40 : 12,340,139,479.88 = 4,873,205,707.50 : x
2. Step 2: Convert to fraction form
   8,942,390,410.40/12,340,139,479.88 = 4,873,205,707.50/x
3. Step 3: Cross multiply
   8,942,390,410.40x = 12,340,139,479.88 × 4,873,205,707.50
4. Step 4: Simplify right side
   8,942,390,410.40x = 60,136,038,144,672,931,840
5. Step 5: Solve for x
   x = 60,136,038,144,672,931,840/8,942,390,410.40
6. Step 6: Final answer
   x = 6,724,828,081.18