Finding the Fourth Proportional to 131,583,654.56, 197,444,532.72 and 53,918,210.72

Step by Step Solution

1. Step 1: Write the proportion equation
   131,583,654.56 : 197,444,532.72 = 53,918,210.72 : x
2. Step 2: Convert to fraction form
   131,583,654.56/197,444,532.72 = 53,918,210.72/x
3. Step 3: Cross multiply
   131,583,654.56x = 197,444,532.72 × 53,918,210.72
4. Step 4: Simplify right side
   131,583,654.56x = 10,645,855,921,404,698
5. Step 5: Solve for x
   x = 10,645,855,921,404,698/131,583,654.56
6. Step 6: Final answer
   x = 80,905,610.63