Finding the Fourth Proportional to 72,592,973.91, 108,939,751.20 and 28,869,253.65

Step by Step Solution

1. Step 1: Write the proportion equation
   72,592,973.91 : 108,939,751.20 = 28,869,253.65 : x
2. Step 2: Convert to fraction form
   72,592,973.91/108,939,751.20 = 28,869,253.65/x
3. Step 3: Cross multiply
   72,592,973.91x = 108,939,751.20 × 28,869,253.65
4. Step 4: Simplify right side
   72,592,973.91x = 3,145,009,309,960,692
5. Step 5: Solve for x
   x = 3,145,009,309,960,692/72,592,973.91
6. Step 6: Final answer
   x = 43,323,880.27