Finding the Fourth Proportional to 12,300,072.50, 18,448,211.06 and 4,102,857.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300,072.50 : 18,448,211.06 = 4,102,857.51 : x
2. Step 2: Convert to fraction form
   12,300,072.50/18,448,211.06 = 4,102,857.51/x
3. Step 3: Cross multiply
   12,300,072.50x = 18,448,211.06 × 4,102,857.51
4. Step 4: Simplify right side
   12,300,072.50x = 75,690,381,273,071.77
5. Step 5: Solve for x
   x = 75,690,381,273,071.77/12,300,072.50
6. Step 6: Final answer
   x = 6,153,653.27