Finding the Fourth Proportional to 107,781.72, 148,738.82 and 62,485.98

Step by Step Solution

1. Step 1: Write the proportion equation
   107,781.72 : 148,738.82 = 62,485.98 : x
2. Step 2: Convert to fraction form
   107,781.72/148,738.82 = 62,485.98/x
3. Step 3: Cross multiply
   107,781.72x = 148,738.82 × 62,485.98
4. Step 4: Simplify right side
   107,781.72x = 9,294,090,931.74
5. Step 5: Solve for x
   x = 9,294,090,931.74/107,781.72
6. Step 6: Final answer
   x = 86,230.68