Finding the Fourth Proportional to 7,191,053.30, 9,923,587.98 and 3,927,867.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,191,053.30 : 9,923,587.98 = 3,927,867.50 : x
2. Step 2: Convert to fraction form
   7,191,053.30/9,923,587.98 = 3,927,867.50/x
3. Step 3: Cross multiply
   7,191,053.30x = 9,923,587.98 × 3,927,867.50
4. Step 4: Simplify right side
   7,191,053.30x = 38,978,538,710,032.65
5. Step 5: Solve for x
   x = 38,978,538,710,032.65/7,191,053.30
6. Step 6: Final answer
   x = 5,420,421.33