Finding the Fourth Proportional to 243,153.82, 364,748.55 and 65,656.90

Step by Step Solution

1. Step 1: Write the proportion equation
   243,153.82 : 364,748.55 = 65,656.90 : x
2. Step 2: Convert to fraction form
   243,153.82/364,748.55 = 65,656.90/x
3. Step 3: Cross multiply
   243,153.82x = 364,748.55 × 65,656.90
4. Step 4: Simplify right side
   243,153.82x = 23,948,259,072.50
5. Step 5: Solve for x
   x = 23,948,259,072.50/243,153.82
6. Step 6: Final answer
   x = 98,490.16