Finding the Fourth Proportional to 107,300.59, 148,081.88 and 61,980.48

Step by Step Solution

1. Step 1: Write the proportion equation
   107,300.59 : 148,081.88 = 61,980.48 : x
2. Step 2: Convert to fraction form
   107,300.59/148,081.88 = 61,980.48/x
3. Step 3: Cross multiply
   107,300.59x = 148,081.88 × 61,980.48
4. Step 4: Simplify right side
   107,300.59x = 9,178,186,001.70
5. Step 5: Solve for x
   x = 9,178,186,001.70/107,300.59
6. Step 6: Final answer
   x = 85,537.14