Finding the Fourth Proportional to 107,389.42, 148,188.72 and 62,070.34

Step by Step Solution

1. Step 1: Write the proportion equation
   107,389.42 : 148,188.72 = 62,070.34 : x
2. Step 2: Convert to fraction form
   107,389.42/148,188.72 = 62,070.34/x
3. Step 3: Cross multiply
   107,389.42x = 148,188.72 × 62,070.34
4. Step 4: Simplify right side
   107,389.42x = 9,198,123,493.62
5. Step 5: Solve for x
   x = 9,198,123,493.62/107,389.42
6. Step 6: Final answer
   x = 85,652.05