Finding the Fourth Proportional to 13,258,816.50, 19,888,168.05 and 3,674,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,258,816.50 : 19,888,168.05 = 3,674,167.50 : x
2. Step 2: Convert to fraction form
   13,258,816.50/19,888,168.05 = 3,674,167.50/x
3. Step 3: Cross multiply
   13,258,816.50x = 19,888,168.05 × 3,674,167.50
4. Step 4: Simplify right side
   13,258,816.50x = 73,072,460,683,848.38
5. Step 5: Solve for x
   x = 73,072,460,683,848.38/13,258,816.50
6. Step 6: Final answer
   x = 5,511,235.54