Finding the Fourth Proportional to 139,008.84, 191,852.69 and 88,026.23

Step by Step Solution

1. Step 1: Write the proportion equation
   139,008.84 : 191,852.69 = 88,026.23 : x
2. Step 2: Convert to fraction form
   139,008.84/191,852.69 = 88,026.23/x
3. Step 3: Cross multiply
   139,008.84x = 191,852.69 × 88,026.23
4. Step 4: Simplify right side
   139,008.84x = 16,888,068,276.86
5. Step 5: Solve for x
   x = 16,888,068,276.86/139,008.84
6. Step 6: Final answer
   x = 121,489.17