Finding the Fourth Proportional to 70,118,834.96, 105,189,553.56 and 21,596,672.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,118,834.96 : 105,189,553.56 = 21,596,672.72 : x
2. Step 2: Convert to fraction form
   70,118,834.96/105,189,553.56 = 21,596,672.72/x
3. Step 3: Cross multiply
   70,118,834.96x = 105,189,553.56 × 21,596,672.72
4. Step 4: Simplify right side
   70,118,834.96x = 2,271,744,361,798,231
5. Step 5: Solve for x
   x = 2,271,744,361,798,231/70,118,834.96
6. Step 6: Final answer
   x = 32,398,489.84