Finding the Fourth Proportional to 42,852,938.34, 64,262,958.03 and 18,245,263.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,852,938.34 : 64,262,958.03 = 18,245,263.08 : x
2. Step 2: Convert to fraction form
   42,852,938.34/64,262,958.03 = 18,245,263.08/x
3. Step 3: Cross multiply
   42,852,938.34x = 64,262,958.03 × 18,245,263.08
4. Step 4: Simplify right side
   42,852,938.34x = 1,172,494,575,556,348.50
5. Step 5: Solve for x
   x = 1,172,494,575,556,348.50/42,852,938.34
6. Step 6: Final answer
   x = 27,360,891.01