Finding the Fourth Proportional to 139,106.86, 191,967.71 and 75,444.71

Step by Step Solution

1. Step 1: Write the proportion equation
   139,106.86 : 191,967.71 = 75,444.71 : x
2. Step 2: Convert to fraction form
   139,106.86/191,967.71 = 75,444.71/x
3. Step 3: Cross multiply
   139,106.86x = 191,967.71 × 75,444.71
4. Step 4: Simplify right side
   139,106.86x = 14,482,947,353.17
5. Step 5: Solve for x
   x = 14,482,947,353.17/139,106.86
6. Step 6: Final answer
   x = 104,113.83