Finding the Fourth Proportional to 91,404.84, 137,051.88 and 59,776.71

Step by Step Solution

1. Step 1: Write the proportion equation
   91,404.84 : 137,051.88 = 59,776.71 : x
2. Step 2: Convert to fraction form
   91,404.84/137,051.88 = 59,776.71/x
3. Step 3: Cross multiply
   91,404.84x = 137,051.88 × 59,776.71
4. Step 4: Simplify right side
   91,404.84x = 8,192,510,485.71
5. Step 5: Solve for x
   x = 8,192,510,485.71/91,404.84
6. Step 6: Final answer
   x = 89,628.85