Finding the Fourth Proportional to 139,803,134.38, 209,704,520.12 and 37,567,174.30

Step by Step Solution

1. Step 1: Write the proportion equation
   139,803,134.38 : 209,704,520.12 = 37,567,174.30 : x
2. Step 2: Convert to fraction form
   139,803,134.38/209,704,520.12 = 37,567,174.30/x
3. Step 3: Cross multiply
   139,803,134.38x = 209,704,520.12 × 37,567,174.30
4. Step 4: Simplify right side
   139,803,134.38x = 7,878,006,258,845,896
5. Step 5: Solve for x
   x = 7,878,006,258,845,896/139,803,134.38
6. Step 6: Final answer
   x = 56,350,712.69