Finding the Fourth Proportional to 76,704,605.20, 105,851,655.72 and 41,897,290

Step by Step Solution

1. Step 1: Write the proportion equation
   76,704,605.20 : 105,851,655.72 = 41,897,290 : x
2. Step 2: Convert to fraction form
   76,704,605.20/105,851,655.72 = 41,897,290/x
3. Step 3: Cross multiply
   76,704,605.20x = 105,851,655.72 × 41,897,290
4. Step 4: Simplify right side
   76,704,605.20x = 4,434,897,516,680,999
5. Step 5: Solve for x
   x = 4,434,897,516,680,999/76,704,605.20
6. Step 6: Final answer
   x = 57,817,878.15