Finding the Fourth Proportional to 76,465,213.52, 105,494,314.61 and 50,018,663.30

Step by Step Solution

1. Step 1: Write the proportion equation
   76,465,213.52 : 105,494,314.61 = 50,018,663.30 : x
2. Step 2: Convert to fraction form
   76,465,213.52/105,494,314.61 = 50,018,663.30/x
3. Step 3: Cross multiply
   76,465,213.52x = 105,494,314.61 × 50,018,663.30
4. Step 4: Simplify right side
   76,465,213.52x = 5,276,684,602,139,436
5. Step 5: Solve for x
   x = 5,276,684,602,139,436/76,465,213.52
6. Step 6: Final answer
   x = 69,007,648.83