Finding the Fourth Proportional to 12,402,656.52, 18,607,761.45 and 6,341,645.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,402,656.52 : 18,607,761.45 = 6,341,645.72 : x
2. Step 2: Convert to fraction form
   12,402,656.52/18,607,761.45 = 6,341,645.72/x
3. Step 3: Cross multiply
   12,402,656.52x = 18,607,761.45 × 6,341,645.72
4. Step 4: Simplify right side
   12,402,656.52x = 118,003,830,804,692.89
5. Step 5: Solve for x
   x = 118,003,830,804,692.89/12,402,656.52
6. Step 6: Final answer
   x = 9,514,399.65