Finding the Fourth Proportional to 137,141,595.52, 189,201,524.72 and 78,372,732

Step by Step Solution

1. Step 1: Write the proportion equation
   137,141,595.52 : 189,201,524.72 = 78,372,732 : x
2. Step 2: Convert to fraction form
   137,141,595.52/189,201,524.72 = 78,372,732/x
3. Step 3: Cross multiply
   137,141,595.52x = 189,201,524.72 × 78,372,732
4. Step 4: Simplify right side
   137,141,595.52x = 14,828,240,390,871,934
5. Step 5: Solve for x
   x = 14,828,240,390,871,934/137,141,595.52
6. Step 6: Final answer
   x = 108,123,580.85