Finding the Fourth Proportional to 70,967,002.35, 97,978,795.37 and 54,415,327.76

Step by Step Solution

1. Step 1: Write the proportion equation
   70,967,002.35 : 97,978,795.37 = 54,415,327.76 : x
2. Step 2: Convert to fraction form
   70,967,002.35/97,978,795.37 = 54,415,327.76/x
3. Step 3: Cross multiply
   70,967,002.35x = 97,978,795.37 × 54,415,327.76
4. Step 4: Simplify right side
   70,967,002.35x = 5,331,548,263,588,521
5. Step 5: Solve for x
   x = 5,331,548,263,588,521/70,967,002.35
6. Step 6: Final answer
   x = 75,127,144.83