Finding the Fourth Proportional to 93,380.34, 129,005.39 and 61,191.45

Step by Step Solution

1. Step 1: Write the proportion equation
   93,380.34 : 129,005.39 = 61,191.45 : x
2. Step 2: Convert to fraction form
   93,380.34/129,005.39 = 61,191.45/x
3. Step 3: Cross multiply
   93,380.34x = 129,005.39 × 61,191.45
4. Step 4: Simplify right side
   93,380.34x = 7,894,027,024.89
5. Step 5: Solve for x
   x = 7,894,027,024.89/93,380.34
6. Step 6: Final answer
   x = 84,536.28