Finding the Fourth Proportional to 61,422.38, 91,499.68 and 59,563.88

Step by Step Solution

1. Step 1: Write the proportion equation
   61,422.38 : 91,499.68 = 59,563.88 : x
2. Step 2: Convert to fraction form
   61,422.38/91,499.68 = 59,563.88/x
3. Step 3: Cross multiply
   61,422.38x = 91,499.68 × 59,563.88
4. Step 4: Simplify right side
   61,422.38x = 5,450,075,959.56
5. Step 5: Solve for x
   x = 5,450,075,959.56/61,422.38
6. Step 6: Final answer
   x = 88,731.11