Finding the Fourth Proportional to 98,693.06, 136,196.18 and 55,672.42

Step by Step Solution

1. Step 1: Write the proportion equation
   98,693.06 : 136,196.18 = 55,672.42 : x
2. Step 2: Convert to fraction form
   98,693.06/136,196.18 = 55,672.42/x
3. Step 3: Cross multiply
   98,693.06x = 136,196.18 × 55,672.42
4. Step 4: Simplify right side
   98,693.06x = 7,582,370,935.36
5. Step 5: Solve for x
   x = 7,582,370,935.36/98,693.06
6. Step 6: Final answer
   x = 76,827.80