Finding the Fourth Proportional to 103,047.59, 154,570.17 and 58,072.34

Step by Step Solution

1. Step 1: Write the proportion equation
   103,047.59 : 154,570.17 = 58,072.34 : x
2. Step 2: Convert to fraction form
   103,047.59/154,570.17 = 58,072.34/x
3. Step 3: Cross multiply
   103,047.59x = 154,570.17 × 58,072.34
4. Step 4: Simplify right side
   103,047.59x = 8,976,252,070.29
5. Step 5: Solve for x
   x = 8,976,252,070.29/103,047.59
6. Step 6: Final answer
   x = 87,107.83