Finding the Fourth Proportional to 12,880,003.65, 17,774,833.01 and 7,580,738.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,880,003.65 : 17,774,833.01 = 7,580,738.07 : x
2. Step 2: Convert to fraction form
   12,880,003.65/17,774,833.01 = 7,580,738.07/x
3. Step 3: Cross multiply
   12,880,003.65x = 17,774,833.01 × 7,580,738.07
4. Step 4: Simplify right side
   12,880,003.65x = 134,746,353,248,896
5. Step 5: Solve for x
   x = 134,746,353,248,896/12,880,003.65
6. Step 6: Final answer
   x = 10,461,670.42