Finding the Fourth Proportional to 111,369.42, 153,675.14 and 62,978.00

Step by Step Solution

1. Step 1: Write the proportion equation
   111,369.42 : 153,675.14 = 62,978.00 : x
2. Step 2: Convert to fraction form
   111,369.42/153,675.14 = 62,978.00/x
3. Step 3: Cross multiply
   111,369.42x = 153,675.14 × 62,978.00
4. Step 4: Simplify right side
   111,369.42x = 9,678,151,883.65
5. Step 5: Solve for x
   x = 9,678,151,883.65/111,369.42
6. Step 6: Final answer
   x = 86,901.34