Finding the Fourth Proportional to 12,830,307.88, 17,705,818.72 and 7,673,669.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,830,307.88 : 17,705,818.72 = 7,673,669.32 : x
2. Step 2: Convert to fraction form
   12,830,307.88/17,705,818.72 = 7,673,669.32/x
3. Step 3: Cross multiply
   12,830,307.88x = 17,705,818.72 × 7,673,669.32
4. Step 4: Simplify right side
   12,830,307.88x = 135,868,597,897,145.67
5. Step 5: Solve for x
   x = 135,868,597,897,145.67/12,830,307.88
6. Step 6: Final answer
   x = 10,589,659.98