Finding the Fourth Proportional to 108,097.18, 161,058.54 and 102,061.06

Step by Step Solution

1. Step 1: Write the proportion equation
   108,097.18 : 161,058.54 = 102,061.06 : x
2. Step 2: Convert to fraction form
   108,097.18/161,058.54 = 102,061.06/x
3. Step 3: Cross multiply
   108,097.18x = 161,058.54 × 102,061.06
4. Step 4: Simplify right side
   108,097.18x = 16,437,804,804.15
5. Step 5: Solve for x
   x = 16,437,804,804.15/108,097.18
6. Step 6: Final answer
   x = 152,065.07