Finding the Fourth Proportional to 91,404.58, 137,051.49 and 59,776.46

Step by Step Solution

1. Step 1: Write the proportion equation
   91,404.58 : 137,051.49 = 59,776.46 : x
2. Step 2: Convert to fraction form
   91,404.58/137,051.49 = 59,776.46/x
3. Step 3: Cross multiply
   91,404.58x = 137,051.49 × 59,776.46
4. Step 4: Simplify right side
   91,404.58x = 8,192,452,909.93
5. Step 5: Solve for x
   x = 8,192,452,909.93/91,404.58
6. Step 6: Final answer
   x = 89,628.48