Finding the Fourth Proportional to 70,382,454.48, 105,590,205.72 and 21,857,803.92

Step by Step Solution

1. Step 1: Write the proportion equation
   70,382,454.48 : 105,590,205.72 = 21,857,803.92 : x
2. Step 2: Convert to fraction form
   70,382,454.48/105,590,205.72 = 21,857,803.92/x
3. Step 3: Cross multiply
   70,382,454.48x = 105,590,205.72 × 21,857,803.92
4. Step 4: Simplify right side
   70,382,454.48x = 2,307,970,012,500,222.50
5. Step 5: Solve for x
   x = 2,307,970,012,500,222.50/70,382,454.48
6. Step 6: Final answer
   x = 32,791,837.53