Finding the Fourth Proportional to 41,697,748.72, 62,509,422.21 and 21,216,012.58

Step by Step Solution

1. Step 1: Write the proportion equation
   41,697,748.72 : 62,509,422.21 = 21,216,012.58 : x
2. Step 2: Convert to fraction form
   41,697,748.72/62,509,422.21 = 21,216,012.58/x
3. Step 3: Cross multiply
   41,697,748.72x = 62,509,422.21 × 21,216,012.58
4. Step 4: Simplify right side
   41,697,748.72x = 1,326,200,688,093,808.25
5. Step 5: Solve for x
   x = 1,326,200,688,093,808.25/41,697,748.72
6. Step 6: Final answer
   x = 31,805,090.89