Finding the Fourth Proportional to 8,912,938.50, 12,300,004.17 and 4,838,557.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,912,938.50 : 12,300,004.17 = 4,838,557.50 : x
2. Step 2: Convert to fraction form
   8,912,938.50/12,300,004.17 = 4,838,557.50/x
3. Step 3: Cross multiply
   8,912,938.50x = 12,300,004.17 × 4,838,557.50
4. Step 4: Simplify right side
   8,912,938.50x = 59,514,277,426,784.77
5. Step 5: Solve for x
   x = 59,514,277,426,784.77/8,912,938.50
6. Step 6: Final answer
   x = 6,677,290.26