Finding the Fourth Proportional to 12,812,529.33, 17,681,292.06 and 7,011,312.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,812,529.33 : 17,681,292.06 = 7,011,312.30 : x
2. Step 2: Convert to fraction form
   12,812,529.33/17,681,292.06 = 7,011,312.30/x
3. Step 3: Cross multiply
   12,812,529.33x = 17,681,292.06 × 7,011,312.30
4. Step 4: Simplify right side
   12,812,529.33x = 123,969,060,500,170.33
5. Step 5: Solve for x
   x = 123,969,060,500,170.33/12,812,529.33
6. Step 6: Final answer
   x = 9,675,611.84