Finding the Fourth Proportional to 9,878,615.35, 14,817,839.83 and 7,721,454.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,878,615.35 : 14,817,839.83 = 7,721,454.94 : x
2. Step 2: Convert to fraction form
   9,878,615.35/14,817,839.83 = 7,721,454.94/x
3. Step 3: Cross multiply
   9,878,615.35x = 14,817,839.83 × 7,721,454.94
4. Step 4: Simplify right side
   9,878,615.35x = 114,415,282,499,134.03
5. Step 5: Solve for x
   x = 114,415,282,499,134.03/9,878,615.35
6. Step 6: Final answer
   x = 11,582,117.38