Finding the Fourth Proportional to 5,238,880.34, 7,859,272.32 and 2,164,878.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,238,880.34 : 7,859,272.32 = 2,164,878.50 : x
2. Step 2: Convert to fraction form
   5,238,880.34/7,859,272.32 = 2,164,878.50/x
3. Step 3: Cross multiply
   5,238,880.34x = 7,859,272.32 × 2,164,878.50
4. Step 4: Simplify right side
   5,238,880.34x = 17,014,369,631,916.76
5. Step 5: Solve for x
   x = 17,014,369,631,916.76/5,238,880.34
6. Step 6: Final answer
   x = 3,247,711.06