Finding the Fourth Proportional to 116,386.47, 174,235.25 and 71,870.09

Step by Step Solution

1. Step 1: Write the proportion equation
   116,386.47 : 174,235.25 = 71,870.09 : x
2. Step 2: Convert to fraction form
   116,386.47/174,235.25 = 71,870.09/x
3. Step 3: Cross multiply
   116,386.47x = 174,235.25 × 71,870.09
4. Step 4: Simplify right side
   116,386.47x = 12,522,302,407.17
5. Step 5: Solve for x
   x = 12,522,302,407.17/116,386.47
6. Step 6: Final answer
   x = 107,592.42