Finding the Fourth Proportional to 199,814,156.52, 275,749,594.02 and 111,711,866.28

Step by Step Solution

1. Step 1: Write the proportion equation
   199,814,156.52 : 275,749,594.02 = 111,711,866.28 : x
2. Step 2: Convert to fraction form
   199,814,156.52/275,749,594.02 = 111,711,866.28/x
3. Step 3: Cross multiply
   199,814,156.52x = 275,749,594.02 × 111,711,866.28
4. Step 4: Simplify right side
   199,814,156.52x = 30,804,501,773,926,524
5. Step 5: Solve for x
   x = 30,804,501,773,926,524/199,814,156.52
6. Step 6: Final answer
   x = 154,165,762.38