Finding the Fourth Proportional to 85,439,476.37, 117,904,061.53 and 50,156,714.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,439,476.37 : 117,904,061.53 = 50,156,714.72 : x
2. Step 2: Convert to fraction form
   85,439,476.37/117,904,061.53 = 50,156,714.72/x
3. Step 3: Cross multiply
   85,439,476.37x = 117,904,061.53 × 50,156,714.72
4. Step 4: Simplify right side
   85,439,476.37x = 5,913,680,378,489,537
5. Step 5: Solve for x
   x = 5,913,680,378,489,537/85,439,476.37
6. Step 6: Final answer
   x = 69,214,848.10