Finding the Fourth Proportional to 62,870.90, 94,415.70 and 60,902.60

Step by Step Solution

1. Step 1: Write the proportion equation
   62,870.90 : 94,415.70 = 60,902.60 : x
2. Step 2: Convert to fraction form
   62,870.90/94,415.70 = 60,902.60/x
3. Step 3: Cross multiply
   62,870.90x = 94,415.70 × 60,902.60
4. Step 4: Simplify right side
   62,870.90x = 5,750,161,610.82
5. Step 5: Solve for x
   x = 5,750,161,610.82/62,870.90
6. Step 6: Final answer
   x = 91,459.83