Finding the Fourth Proportional to 11,602,717.84, 17,398,100.72 and 5,207,487.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,602,717.84 : 17,398,100.72 = 5,207,487.76 : x
2. Step 2: Convert to fraction form
   11,602,717.84/17,398,100.72 = 5,207,487.76/x
3. Step 3: Cross multiply
   11,602,717.84x = 17,398,100.72 × 5,207,487.76
4. Step 4: Simplify right side
   11,602,717.84x = 90,600,396,546,647.17
5. Step 5: Solve for x
   x = 90,600,396,546,647.17/11,602,717.84
6. Step 6: Final answer
   x = 7,808,549.50