Finding the Fourth Proportional to 93,078,054.50, 128,443,570.07 and 53,357,109.39

Step by Step Solution

1. Step 1: Write the proportion equation
   93,078,054.50 : 128,443,570.07 = 53,357,109.39 : x
2. Step 2: Convert to fraction form
   93,078,054.50/128,443,570.07 = 53,357,109.39/x
3. Step 3: Cross multiply
   93,078,054.50x = 128,443,570.07 × 53,357,109.39
4. Step 4: Simplify right side
   93,078,054.50x = 6,853,377,618,400,334
5. Step 5: Solve for x
   x = 6,853,377,618,400,334/93,078,054.50
6. Step 6: Final answer
   x = 73,630,434.75