Finding the Fourth Proportional to 66,123.42, 98,965.71 and 60,213.93

Step by Step Solution

1. Step 1: Write the proportion equation
   66,123.42 : 98,965.71 = 60,213.93 : x
2. Step 2: Convert to fraction form
   66,123.42/98,965.71 = 60,213.93/x
3. Step 3: Cross multiply
   66,123.42x = 98,965.71 × 60,213.93
4. Step 4: Simplify right side
   66,123.42x = 5,959,114,334.34
5. Step 5: Solve for x
   x = 5,959,114,334.34/66,123.42
6. Step 6: Final answer
   x = 90,121.08