Finding the Fourth Proportional to 88,061.84, 121,611.65 and 60,907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,061.84 : 121,611.65 = 60,907.50 : x
2. Step 2: Convert to fraction form
   88,061.84/121,611.65 = 60,907.50/x
3. Step 3: Cross multiply
   88,061.84x = 121,611.65 × 60,907.50
4. Step 4: Simplify right side
   88,061.84x = 7,407,061,267.84
5. Step 5: Solve for x
   x = 7,407,061,267.84/88,061.84
6. Step 6: Final answer
   x = 84,112.05