Finding the Fourth Proportional to 99,376.70, 137,091.56 and 59,061.94

Step by Step Solution

1. Step 1: Write the proportion equation
   99,376.70 : 137,091.56 = 59,061.94 : x
2. Step 2: Convert to fraction form
   99,376.70/137,091.56 = 59,061.94/x
3. Step 3: Cross multiply
   99,376.70x = 137,091.56 × 59,061.94
4. Step 4: Simplify right side
   99,376.70x = 8,096,892,853.19
5. Step 5: Solve for x
   x = 8,096,892,853.19/99,376.70
6. Step 6: Final answer
   x = 81,476.78