Finding the Fourth Proportional to 76,256,686.48, 105,234,354.52 and 41,449,288.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,256,686.48 : 105,234,354.52 = 41,449,288.72 : x
2. Step 2: Convert to fraction form
   76,256,686.48/105,234,354.52 = 41,449,288.72/x
3. Step 3: Cross multiply
   76,256,686.48x = 105,234,354.52 × 41,449,288.72
4. Step 4: Simplify right side
   76,256,686.48x = 4,361,889,143,762,316.50
5. Step 5: Solve for x
   x = 4,361,889,143,762,316.50/76,256,686.48
6. Step 6: Final answer
   x = 57,200,087.56