Finding the Fourth Proportional to 99,466.01, 137,262.71 and 54,146.51

Step by Step Solution

1. Step 1: Write the proportion equation
   99,466.01 : 137,262.71 = 54,146.51 : x
2. Step 2: Convert to fraction form
   99,466.01/137,262.71 = 54,146.51/x
3. Step 3: Cross multiply
   99,466.01x = 137,262.71 × 54,146.51
4. Step 4: Simplify right side
   99,466.01x = 7,432,296,428.91
5. Step 5: Solve for x
   x = 7,432,296,428.91/99,466.01
6. Step 6: Final answer
   x = 74,721.97