Finding the Fourth Proportional to 64,622,071.88, 89,166,262.61 and 38,519,018.56

Step by Step Solution

1. Step 1: Write the proportion equation
   64,622,071.88 : 89,166,262.61 = 38,519,018.56 : x
2. Step 2: Convert to fraction form
   64,622,071.88/89,166,262.61 = 38,519,018.56/x
3. Step 3: Cross multiply
   64,622,071.88x = 89,166,262.61 × 38,519,018.56
4. Step 4: Simplify right side
   64,622,071.88x = 3,434,596,924,273,805.50
5. Step 5: Solve for x
   x = 3,434,596,924,273,805.50/64,622,071.88
6. Step 6: Final answer
   x = 53,148,975.65