Finding the Fourth Proportional to 8,971,551.99, 12,380,583.78 and 5,103,990.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,971,551.99 : 12,380,583.78 = 5,103,990.72 : x
2. Step 2: Convert to fraction form
   8,971,551.99/12,380,583.78 = 5,103,990.72/x
3. Step 3: Cross multiply
   8,971,551.99x = 12,380,583.78 × 5,103,990.72
4. Step 4: Simplify right side
   8,971,551.99x = 63,190,384,721,302.52
5. Step 5: Solve for x
   x = 63,190,384,721,302.52/8,971,551.99
6. Step 6: Final answer
   x = 7,043,417.33