Finding the Fourth Proportional to 99,323.60, 137,068.06 and 54,001.48

Step by Step Solution

1. Step 1: Write the proportion equation
   99,323.60 : 137,068.06 = 54,001.48 : x
2. Step 2: Convert to fraction form
   99,323.60/137,068.06 = 54,001.48/x
3. Step 3: Cross multiply
   99,323.60x = 137,068.06 × 54,001.48
4. Step 4: Simplify right side
   99,323.60x = 7,401,878,100.73
5. Step 5: Solve for x
   x = 7,401,878,100.73/99,323.60
6. Step 6: Final answer
   x = 74,522.85