Finding the Fourth Proportional to 111,597, 154,003.86 and 61,296

Step by Step Solution

1. Step 1: Write the proportion equation
   111,597 : 154,003.86 = 61,296 : x
2. Step 2: Convert to fraction form
   111,597/154,003.86 = 61,296/x
3. Step 3: Cross multiply
   111,597x = 154,003.86 × 61,296
4. Step 4: Simplify right side
   111,597x = 9,439,820,602.56
5. Step 5: Solve for x
   x = 9,439,820,602.56/111,597
6. Step 6: Final answer
   x = 84,588.48