Finding the Fourth Proportional to 201,780,871.88, 278,458,453.50 and 113,675,925.72

Step by Step Solution

1. Step 1: Write the proportion equation
   201,780,871.88 : 278,458,453.50 = 113,675,925.72 : x
2. Step 2: Convert to fraction form
   201,780,871.88/278,458,453.50 = 113,675,925.72/x
3. Step 3: Cross multiply
   201,780,871.88x = 278,458,453.50 × 113,675,925.72
4. Step 4: Simplify right side
   201,780,871.88x = 31,654,022,476,172,072
5. Step 5: Solve for x
   x = 31,654,022,476,172,072/201,780,871.88
6. Step 6: Final answer
   x = 156,873,256.52