Finding the Fourth Proportional to 243,185.50, 364,779.87 and 76,973.50

Step by Step Solution

1. Step 1: Write the proportion equation
   243,185.50 : 364,779.87 = 76,973.50 : x
2. Step 2: Convert to fraction form
   243,185.50/364,779.87 = 76,973.50/x
3. Step 3: Cross multiply
   243,185.50x = 364,779.87 × 76,973.50
4. Step 4: Simplify right side
   243,185.50x = 28,078,383,323.45
5. Step 5: Solve for x
   x = 28,078,383,323.45/243,185.50
6. Step 6: Final answer
   x = 115,460.76