Finding the Fourth Proportional to 91,575, 126,366.57 and 55,761.03

Step by Step Solution

1. Step 1: Write the proportion equation
   91,575 : 126,366.57 = 55,761.03 : x
2. Step 2: Convert to fraction form
   91,575/126,366.57 = 55,761.03/x
3. Step 3: Cross multiply
   91,575x = 126,366.57 × 55,761.03
4. Step 4: Simplify right side
   91,575x = 7,046,330,100.77
5. Step 5: Solve for x
   x = 7,046,330,100.77/91,575
6. Step 6: Final answer
   x = 76,946.00