Finding the Fourth Proportional to 10,211,789.51, 14,091,854.71 and 5,565,475.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,211,789.51 : 14,091,854.71 = 5,565,475.89 : x
2. Step 2: Convert to fraction form
   10,211,789.51/14,091,854.71 = 5,565,475.89/x
3. Step 3: Cross multiply
   10,211,789.51x = 14,091,854.71 × 5,565,475.89
4. Step 4: Simplify right side
   10,211,789.51x = 78,427,877,646,315.78
5. Step 5: Solve for x
   x = 78,427,877,646,315.78/10,211,789.51
6. Step 6: Final answer
   x = 7,680,130.65