Finding the Fourth Proportional to 61,074,111.70, 84,322,858.91 and 46,920,089.28

Step by Step Solution

1. Step 1: Write the proportion equation
   61,074,111.70 : 84,322,858.91 = 46,920,089.28 : x
2. Step 2: Convert to fraction form
   61,074,111.70/84,322,858.91 = 46,920,089.28/x
3. Step 3: Cross multiply
   61,074,111.70x = 84,322,858.91 × 46,920,089.28
4. Step 4: Simplify right side
   61,074,111.70x = 3,956,436,068,402,043.50
5. Step 5: Solve for x
   x = 3,956,436,068,402,043.50/61,074,111.70
6. Step 6: Final answer
   x = 64,780,902.39