Finding the Fourth Proportional to 101,061.42, 139,519.44 and 60,784.17

Step by Step Solution

1. Step 1: Write the proportion equation
   101,061.42 : 139,519.44 = 60,784.17 : x
2. Step 2: Convert to fraction form
   101,061.42/139,519.44 = 60,784.17/x
3. Step 3: Cross multiply
   101,061.42x = 139,519.44 × 60,784.17
4. Step 4: Simplify right side
   101,061.42x = 8,480,573,449.91
5. Step 5: Solve for x
   x = 8,480,573,449.91/101,061.42
6. Step 6: Final answer
   x = 83,915.04