Finding the Fourth Proportional to 9,761,928.39, 13,472,109.61 and 5,411,198.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,761,928.39 : 13,472,109.61 = 5,411,198.07 : x
2. Step 2: Convert to fraction form
   9,761,928.39/13,472,109.61 = 5,411,198.07/x
3. Step 3: Cross multiply
   9,761,928.39x = 13,472,109.61 × 5,411,198.07
4. Step 4: Simplify right side
   9,761,928.39x = 72,900,253,506,932.47
5. Step 5: Solve for x
   x = 72,900,253,506,932.47/9,761,928.39
6. Step 6: Final answer
   x = 7,467,812.77