Finding the Fourth Proportional to 111,333.06, 153,649.35 and 61,041.78

Step by Step Solution

1. Step 1: Write the proportion equation
   111,333.06 : 153,649.35 = 61,041.78 : x
2. Step 2: Convert to fraction form
   111,333.06/153,649.35 = 61,041.78/x
3. Step 3: Cross multiply
   111,333.06x = 153,649.35 × 61,041.78
4. Step 4: Simplify right side
   111,333.06x = 9,379,030,051.36
5. Step 5: Solve for x
   x = 9,379,030,051.36/111,333.06
6. Step 6: Final answer
   x = 84,242.99