Finding the Fourth Proportional to 155,397.09, 232,944.42 and 99,061.41

Step by Step Solution

1. Step 1: Write the proportion equation
   155,397.09 : 232,944.42 = 99,061.41 : x
2. Step 2: Convert to fraction form
   155,397.09/232,944.42 = 99,061.41/x
3. Step 3: Cross multiply
   155,397.09x = 232,944.42 × 99,061.41
4. Step 4: Simplify right side
   155,397.09x = 23,075,802,696.83
5. Step 5: Solve for x
   x = 23,075,802,696.83/155,397.09
6. Step 6: Final answer
   x = 148,495.72