Finding the Fourth Proportional to 137,962.32, 190,237.32 and 93,172.56

Step by Step Solution

1. Step 1: Write the proportion equation
   137,962.32 : 190,237.32 = 93,172.56 : x
2. Step 2: Convert to fraction form
   137,962.32/190,237.32 = 93,172.56/x
3. Step 3: Cross multiply
   137,962.32x = 190,237.32 × 93,172.56
4. Step 4: Simplify right side
   137,962.32x = 17,724,898,111.94
5. Step 5: Solve for x
   x = 17,724,898,111.94/137,962.32
6. Step 6: Final answer
   x = 128,476.37