Finding the Fourth Proportional to 128,061.04, 176,725.82 and 74,348.32

Step by Step Solution

1. Step 1: Write the proportion equation
   128,061.04 : 176,725.82 = 74,348.32 : x
2. Step 2: Convert to fraction form
   128,061.04/176,725.82 = 74,348.32/x
3. Step 3: Cross multiply
   128,061.04x = 176,725.82 × 74,348.32
4. Step 4: Simplify right side
   128,061.04x = 13,139,267,817.62
5. Step 5: Solve for x
   x = 13,139,267,817.62/128,061.04
6. Step 6: Final answer
   x = 102,601.60