Finding the Fourth Proportional to 111,990.90, 168,051.15 and 41,877.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,990.90 : 168,051.15 = 41,877.30 : x
2. Step 2: Convert to fraction form
   111,990.90/168,051.15 = 41,877.30/x
3. Step 3: Cross multiply
   111,990.90x = 168,051.15 × 41,877.30
4. Step 4: Simplify right side
   111,990.90x = 7,037,528,423.90
5. Step 5: Solve for x
   x = 7,037,528,423.90/111,990.90
6. Step 6: Final answer
   x = 62,840.18