Finding the Fourth Proportional to 3,918,670.32, 5,878,694.34 and 1,788,969.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,918,670.32 : 5,878,694.34 = 1,788,969.72 : x
2. Step 2: Convert to fraction form
   3,918,670.32/5,878,694.34 = 1,788,969.72/x
3. Step 3: Cross multiply
   3,918,670.32x = 5,878,694.34 × 1,788,969.72
4. Step 4: Simplify right side
   3,918,670.32x = 10,516,806,167,395.38
5. Step 5: Solve for x
   x = 10,516,806,167,395.38/3,918,670.32
6. Step 6: Final answer
   x = 2,683,769.06