Finding the Fourth Proportional to 118,439.02, 163,462.52 and 75,404.76

Step by Step Solution

1. Step 1: Write the proportion equation
   118,439.02 : 163,462.52 = 75,404.76 : x
2. Step 2: Convert to fraction form
   118,439.02/163,462.52 = 75,404.76/x
3. Step 3: Cross multiply
   118,439.02x = 163,462.52 × 75,404.76
4. Step 4: Simplify right side
   118,439.02x = 12,325,852,089.60
5. Step 5: Solve for x
   x = 12,325,852,089.60/118,439.02
6. Step 6: Final answer
   x = 104,069.18