Finding the Fourth Proportional to 42,773,198.16, 64,163,567.52 and 12,068,046.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,773,198.16 : 64,163,567.52 = 12,068,046.48 : x
2. Step 2: Convert to fraction form
   42,773,198.16/64,163,567.52 = 12,068,046.48/x
3. Step 3: Cross multiply
   42,773,198.16x = 64,163,567.52 × 12,068,046.48
4. Step 4: Simplify right side
   42,773,198.16x = 774,328,915,153,978.38
5. Step 5: Solve for x
   x = 774,328,915,153,978.38/42,773,198.16
6. Step 6: Final answer
   x = 18,103,133.47