Finding the Fourth Proportional to 103,620.10, 155,430.15 and 37,092.10

Step by Step Solution

1. Step 1: Write the proportion equation
   103,620.10 : 155,430.15 = 37,092.10 : x
2. Step 2: Convert to fraction form
   103,620.10/155,430.15 = 37,092.10/x
3. Step 3: Cross multiply
   103,620.10x = 155,430.15 × 37,092.10
4. Step 4: Simplify right side
   103,620.10x = 5,765,230,666.82
5. Step 5: Solve for x
   x = 5,765,230,666.82/103,620.10
6. Step 6: Final answer
   x = 55,638.15