Finding the Fourth Proportional to 97,111,836.72, 134,012,770.56 and 53,057,889.36

Step by Step Solution

1. Step 1: Write the proportion equation
   97,111,836.72 : 134,012,770.56 = 53,057,889.36 : x
2. Step 2: Convert to fraction form
   97,111,836.72/134,012,770.56 = 53,057,889.36/x
3. Step 3: Cross multiply
   97,111,836.72x = 134,012,770.56 × 53,057,889.36
4. Step 4: Simplify right side
   97,111,836.72x = 7,110,434,753,199,545
5. Step 5: Solve for x
   x = 7,110,434,753,199,545/97,111,836.72
6. Step 6: Final answer
   x = 73,219,032.75