Finding the Fourth Proportional to 84,958,667.52, 127,258,819.20 and 57,681,703.68

Step by Step Solution

1. Step 1: Write the proportion equation
   84,958,667.52 : 127,258,819.20 = 57,681,703.68 : x
2. Step 2: Convert to fraction form
   84,958,667.52/127,258,819.20 = 57,681,703.68/x
3. Step 3: Cross multiply
   84,958,667.52x = 127,258,819.20 × 57,681,703.68
4. Step 4: Simplify right side
   84,958,667.52x = 7,340,505,499,761,095
5. Step 5: Solve for x
   x = 7,340,505,499,761,095/84,958,667.52
6. Step 6: Final answer
   x = 86,400,901.92