Finding the Fourth Proportional to 9,207,071.65, 12,705,480.84 and 5,077,100.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,207,071.65 : 12,705,480.84 = 5,077,100.76 : x
2. Step 2: Convert to fraction form
   9,207,071.65/12,705,480.84 = 5,077,100.76/x
3. Step 3: Cross multiply
   9,207,071.65x = 12,705,480.84 × 5,077,100.76
4. Step 4: Simplify right side
   9,207,071.65x = 64,507,006,371,764.31
5. Step 5: Solve for x
   x = 64,507,006,371,764.31/9,207,071.65
6. Step 6: Final answer
   x = 7,006,245.72