Finding the Fourth Proportional to 64,612,580.81, 89,165,638.74 and 35,244,553.37

Step by Step Solution

1. Step 1: Write the proportion equation
   64,612,580.81 : 89,165,638.74 = 35,244,553.37 : x
2. Step 2: Convert to fraction form
   64,612,580.81/89,165,638.74 = 35,244,553.37/x
3. Step 3: Cross multiply
   64,612,580.81x = 89,165,638.74 × 35,244,553.37
4. Step 4: Simplify right side
   64,612,580.81x = 3,142,603,113,119,155
5. Step 5: Solve for x
   x = 3,142,603,113,119,155/64,612,580.81
6. Step 6: Final answer
   x = 48,637,634.87