Finding the Fourth Proportional to 13,098,012.50, 18,076,479.81 and 7,665,508.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,098,012.50 : 18,076,479.81 = 7,665,508.82 : x
2. Step 2: Convert to fraction form
   13,098,012.50/18,076,479.81 = 7,665,508.82/x
3. Step 3: Cross multiply
   13,098,012.50x = 18,076,479.81 × 7,665,508.82
4. Step 4: Simplify right side
   13,098,012.50x = 138,565,415,418,106.92
5. Step 5: Solve for x
   x = 138,565,415,418,106.92/13,098,012.50
6. Step 6: Final answer
   x = 10,579,117.67