Finding the Fourth Proportional to 54,645,406.18, 81,968,461.59 and 21,858,714.10

Step by Step Solution

1. Step 1: Write the proportion equation
   54,645,406.18 : 81,968,461.59 = 21,858,714.10 : x
2. Step 2: Convert to fraction form
   54,645,406.18/81,968,461.59 = 21,858,714.10/x
3. Step 3: Cross multiply
   54,645,406.18x = 81,968,461.59 × 21,858,714.10
4. Step 4: Simplify right side
   54,645,406.18x = 1,791,725,167,003,347.75
5. Step 5: Solve for x
   x = 1,791,725,167,003,347.75/54,645,406.18
6. Step 6: Final answer
   x = 32,788,212.08