Finding the Fourth Proportional to 46,665.90, 64,366.38 and 45,123.12

Step by Step Solution

1. Step 1: Write the proportion equation
   46,665.90 : 64,366.38 = 45,123.12 : x
2. Step 2: Convert to fraction form
   46,665.90/64,366.38 = 45,123.12/x
3. Step 3: Cross multiply
   46,665.90x = 64,366.38 × 45,123.12
4. Step 4: Simplify right side
   46,665.90x = 2,904,411,888.71
5. Step 5: Solve for x
   x = 2,904,411,888.71/46,665.90
6. Step 6: Final answer
   x = 62,238.42