Finding the Fourth Proportional to 99,946.02, 137,912.17 and 64,184.47

Step by Step Solution

1. Step 1: Write the proportion equation
   99,946.02 : 137,912.17 = 64,184.47 : x
2. Step 2: Convert to fraction form
   99,946.02/137,912.17 = 64,184.47/x
3. Step 3: Cross multiply
   99,946.02x = 137,912.17 × 64,184.47
4. Step 4: Simplify right side
   99,946.02x = 8,851,819,153.10
5. Step 5: Solve for x
   x = 8,851,819,153.10/99,946.02
6. Step 6: Final answer
   x = 88,566.00