Finding the Fourth Proportional to 55,620.59, 83,393.79 and 28,900.91

Step by Step Solution

1. Step 1: Write the proportion equation
   55,620.59 : 83,393.79 = 28,900.91 : x
2. Step 2: Convert to fraction form
   55,620.59/83,393.79 = 28,900.91/x
3. Step 3: Cross multiply
   55,620.59x = 83,393.79 × 28,900.91
4. Step 4: Simplify right side
   55,620.59x = 2,410,156,002.38
5. Step 5: Solve for x
   x = 2,410,156,002.38/55,620.59
6. Step 6: Final answer
   x = 43,332.09