Finding the Fourth Proportional to 72,326,003.72, 99,810,792.86 and 39,286,804.56

Step by Step Solution

1. Step 1: Write the proportion equation
   72,326,003.72 : 99,810,792.86 = 39,286,804.56 : x
2. Step 2: Convert to fraction form
   72,326,003.72/99,810,792.86 = 39,286,804.56/x
3. Step 3: Cross multiply
   72,326,003.72x = 99,810,792.86 × 39,286,804.56
4. Step 4: Simplify right side
   72,326,003.72x = 3,921,247,111,873,030
5. Step 5: Solve for x
   x = 3,921,247,111,873,030/72,326,003.72
6. Step 6: Final answer
   x = 54,216,283.36