Finding the Fourth Proportional to 21,312,774.84, 31,961,225.88 and 7,662,196.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,312,774.84 : 31,961,225.88 = 7,662,196.38 : x
2. Step 2: Convert to fraction form
   21,312,774.84/31,961,225.88 = 7,662,196.38/x
3. Step 3: Cross multiply
   21,312,774.84x = 31,961,225.88 × 7,662,196.38
4. Step 4: Simplify right side
   21,312,774.84x = 244,893,189,238,098.31
5. Step 5: Solve for x
   x = 244,893,189,238,098.31/21,312,774.84
6. Step 6: Final answer
   x = 11,490,441.35