Finding the Fourth Proportional to 60,189,900.58, 90,131,582.94 and 39,657,371.30

Step by Step Solution

1. Step 1: Write the proportion equation
   60,189,900.58 : 90,131,582.94 = 39,657,371.30 : x
2. Step 2: Convert to fraction form
   60,189,900.58/90,131,582.94 = 39,657,371.30/x
3. Step 3: Cross multiply
   60,189,900.58x = 90,131,582.94 × 39,657,371.30
4. Step 4: Simplify right side
   60,189,900.58x = 3,574,381,650,508,325.50
5. Step 5: Solve for x
   x = 3,574,381,650,508,325.50/60,189,900.58
6. Step 6: Final answer
   x = 59,385,073.18