Finding the Fourth Proportional to 56,406,085.98, 84,611,134.53 and 18,062,618.10

Step by Step Solution

1. Step 1: Write the proportion equation
   56,406,085.98 : 84,611,134.53 = 18,062,618.10 : x
2. Step 2: Convert to fraction form
   56,406,085.98/84,611,134.53 = 18,062,618.10/x
3. Step 3: Cross multiply
   56,406,085.98x = 84,611,134.53 × 18,062,618.10
4. Step 4: Simplify right side
   56,406,085.98x = 1,528,298,610,023,113.25
5. Step 5: Solve for x
   x = 1,528,298,610,023,113.25/56,406,085.98
6. Step 6: Final answer
   x = 27,094,569.38