Finding the Fourth Proportional to 42,418,103.27, 63,538,875.53 and 26,988,964.07

Step by Step Solution

1. Step 1: Write the proportion equation
   42,418,103.27 : 63,538,875.53 = 26,988,964.07 : x
2. Step 2: Convert to fraction form
   42,418,103.27/63,538,875.53 = 26,988,964.07/x
3. Step 3: Cross multiply
   42,418,103.27x = 63,538,875.53 × 26,988,964.07
4. Step 4: Simplify right side
   42,418,103.27x = 1,714,848,428,274,733
5. Step 5: Solve for x
   x = 1,714,848,428,274,733/42,418,103.27
6. Step 6: Final answer
   x = 40,427,277.42