Finding the Fourth Proportional to 69,242,160.16, 103,872,687.60 and 28,843,196.32

Step by Step Solution

1. Step 1: Write the proportion equation
   69,242,160.16 : 103,872,687.60 = 28,843,196.32 : x
2. Step 2: Convert to fraction form
   69,242,160.16/103,872,687.60 = 28,843,196.32/x
3. Step 3: Cross multiply
   69,242,160.16x = 103,872,687.60 × 28,843,196.32
4. Step 4: Simplify right side
   69,242,160.16x = 2,996,020,320,732,829.50
5. Step 5: Solve for x
   x = 2,996,020,320,732,829.50/69,242,160.16
6. Step 6: Final answer
   x = 43,268,729.83