Finding the Fourth Proportional to 98,941, 136,538.58 and 54,228.04

Step by Step Solution

1. Step 1: Write the proportion equation
   98,941 : 136,538.58 = 54,228.04 : x
2. Step 2: Convert to fraction form
   98,941/136,538.58 = 54,228.04/x
3. Step 3: Cross multiply
   98,941x = 136,538.58 × 54,228.04
4. Step 4: Simplify right side
   98,941x = 7,404,219,577.78
5. Step 5: Solve for x
   x = 7,404,219,577.78/98,941
6. Step 6: Final answer
   x = 74,834.70