Finding the Fourth Proportional to 61,156.42, 91,748.43 and 21,713.54

Step by Step Solution

1. Step 1: Write the proportion equation
   61,156.42 : 91,748.43 = 21,713.54 : x
2. Step 2: Convert to fraction form
   61,156.42/91,748.43 = 21,713.54/x
3. Step 3: Cross multiply
   61,156.42x = 91,748.43 × 21,713.54
4. Step 4: Simplify right side
   61,156.42x = 1,992,182,746.00
5. Step 5: Solve for x
   x = 1,992,182,746.00/61,156.42
6. Step 6: Final answer
   x = 32,575.20