Finding the Fourth Proportional to 199,588,521.30, 299,426,327.55 and 113,368,233.30

Step by Step Solution

1. Step 1: Write the proportion equation
   199,588,521.30 : 299,426,327.55 = 113,368,233.30 : x
2. Step 2: Convert to fraction form
   199,588,521.30/299,426,327.55 = 113,368,233.30/x
3. Step 3: Cross multiply
   199,588,521.30x = 299,426,327.55 × 113,368,233.30
4. Step 4: Simplify right side
   199,588,521.30x = 33,945,433,757,850,616
5. Step 5: Solve for x
   x = 33,945,433,757,850,616/199,588,521.30
6. Step 6: Final answer
   x = 170,077,084.28