Finding the Fourth Proportional to 111,799, 167,657.91 and 61,235.59

Step by Step Solution

1. Step 1: Write the proportion equation
   111,799 : 167,657.91 = 61,235.59 : x
2. Step 2: Convert to fraction form
   111,799/167,657.91 = 61,235.59/x
3. Step 3: Cross multiply
   111,799x = 167,657.91 × 61,235.59
4. Step 4: Simplify right side
   111,799x = 10,266,631,037.02
5. Step 5: Solve for x
   x = 10,266,631,037.02/111,799
6. Step 6: Final answer
   x = 91,831.15