Finding the Fourth Proportional to 111,303, 153,607.86 and 61,011.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,303 : 153,607.86 = 61,011.72 : x
2. Step 2: Convert to fraction form
   111,303/153,607.86 = 61,011.72/x
3. Step 3: Cross multiply
   111,303x = 153,607.86 × 61,011.72
4. Step 4: Simplify right side
   111,303x = 9,371,879,744.12
5. Step 5: Solve for x
   x = 9,371,879,744.12/111,303
6. Step 6: Final answer
   x = 84,201.50