Finding the Fourth Proportional to 155,428.93, 233,143.43 and 43,109.16

Step by Step Solution

1. Step 1: Write the proportion equation
   155,428.93 : 233,143.43 = 43,109.16 : x
2. Step 2: Convert to fraction form
   155,428.93/233,143.43 = 43,109.16/x
3. Step 3: Cross multiply
   155,428.93x = 233,143.43 × 43,109.16
4. Step 4: Simplify right side
   155,428.93x = 10,050,617,426.82
5. Step 5: Solve for x
   x = 10,050,617,426.82/155,428.93
6. Step 6: Final answer
   x = 64,663.75